I tried it with a Arduino Pro 3.3 and FTDI with softserial and powered by an external 3.3 supply.
This is as far as it gets
Adafruit ESP8266 Demo
Hard reset...OK.
Soft reset...---> AT+RST
<--- 'AT+RST
OK
þÕþºüaLk)]«Ä¡Äð?ö°þþ°°°°´>í`Ã@~È~ü6ø
[Vendor:www.ai-thinker.com Version:0.9.2.4]
ready'
---> ATE0
<--- '
ATE0
)x-5)þÀø'
no response from module.